16x + x - 3x = 15x - 3x = 12x.
5a - 3ab + 8a = 13a - 3ab = a * (13 - 3b).
5x + 6x + 7y + 8y = 11x + 15y.
18xy +28xy - 4 = 46xy - 4 = 2 * (23xy - 2).
73c + 29c + 27c = 100c + 29c = 129c.
37a + 42b - 53c = 37a + 42b - 53c.
Пошаговое объяснение:
